Kindly reminder(pls read it before order): > 1, All products with original packaging box, so that we can protect the products well, If there is no box protection, the products are easy to be damaged in transportation > 2, The product does not contain the battery because of the limitation of the airline company. >â€‹ 3, Offer Long warranty period of 2 years ,in two years will repair for free.

â€‹ FEATURESA Breath Alcohol Tester is a device for estimating blood alcohol content (BAC) from a breath sample. Blood alcohol content (BAC) is most commonly used as a metric of alcohol intoxication for legal or medical purposes. Blood alcohol content is usually expressed as a percentage of ethanol in the blood in units of mass of alcohol per volume of blood or mass of alcohol per mass of blood.